Disc brake



FIG. 1 is a perspective view of the front and one side of the disc brake showing our new design;

FIG. 2 is a perspective view of the rear and other side thereof;

FIG. 3 is an elevational view of the one side thereof;

FIG. 4 is an elevational view of the other side thereof;

FIG. 5 is a top plan view thereof, the bottom plan view being the same as the top plan view;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a rear elevational view thereof. 

CLAIM The ornamental design for a disc brake, as shown and described. 